World's Longest and Deepest Subsea Tunnel Ryfylke Tunnel Opens for Traffic
https://www.youtube.com/watch?v=NWfVcikta2E Ryfylke Tunnel, a part of the Ryfast chain of tunn...ay of opening for traffic on 30 December 2019, Ryfylke Tunnel is the World&...World’s longest water tunnel project completed in Saudi Arabia
Saline Water Conversion Corporation (SWCC) of Saudi Arabia completed the longest water pipeline tunnel project in the worl...day.co/saudi-arabia/5043720/SWCC-completes-world%E2%80%99s-longest-water-pipeline-tunnel...The World's would be longest tunnel: 50 km under Australia's Blue Mountains
Ambitious plans to build a 50km tunnel under the Blue Mountains would have made it almost the longest in the world - until bureaucrats ruled it out for being too expensive https://www.dailymail.co.uk/news/article-9497955/Mount-Victoria-Tunnel-NSW-Blue-Mountains-worlds-longest-ruled-cost.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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